<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>php第一节课后作业</title>

</head>
<body>
<?php
    echo "<script>alert('我能学好php,因为这很容易');</script>";
    echo "<p style='color:red;font-size:18x;'>我爱熊老师</p>";
?>
</body>
</html>